Stavros' Stuff

Angry rants of programming and other things.

How to deploy Django on Dokku

It's a dream come true

Ever since I was a wide-eyed little boy, I would look up at the stars and wonder in wonder: “What if I could lease my very own, beefy, dedicated Hetzner server and have an easy way to deploy all my projects onto that?” But lo, my dreams were dashed because Docker wouldn’t be invented for another twenty years, and Hetzner did not accept Mastercard at the time.

Decades later, with Docker finally invented and Hetzner accepting all major credit cards, my dream lay all but forgotten, because Docker could not do zero-downtime deploys natively and I hated it. That was how things remained, until my friend Theodore told me that he tried Dokku and that it worked very well.

I had heard of Dokku (and Fig, Deis, Flynn, Kubernetes, etc etc), but I never paid too much attention, as these PaaSaaSes struck me as too webcale for my simple projects. All I wanted was a way to skip through all the boilerplate configuration of deploying a Django app, and Ansible wasn’t cutting it, as it was still too much plumbing.

Since Theodore tried it and said it was apparently pretty easy to deploy with, though, I figured I’d give it a shot and see. It helped that Dokku was explicitly designed to be light and self-contained, whereas Kubernetes is for much larger deployments, so Dokku fit my use case exactly.

Trying Dokku out

To try Dokku out, I needed a project. Luckily,

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How to deploy Django with Docker

Finally, Django, with Docker, on production!

I finally managed to deploy Django in a Docker container on production! I’ve been trying to switch to a full Docker development/production model since Docker came out, but only recently did the ecosystem mature enough to allow me to easily use Docker both for development (where it excels, in my opinion) and on production (where it’s pretty okay and quite useful).

In this post, I will quickly give you all the relevant details and files you need to go from a newly checked-out repository to a full development environment in one command, and to deploy that service to production. As a bonus, I’ll show you how to use Gitlab (which is awesome) to build your containers and store them in the Gitlab registry.

Let’s begin!

Development

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